MCMedicalCodingSoftware
O01.1

O01.1: Incomplete and partial hydatidiform mole

Billable / specific codeICD-10-CM

O01.1 is a billable, specific ICD-10-CM code for incomplete and partial hydatidiform mole. It is valid for submission on a claim.

Check O01.1 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above O01.1

A category’s note binds every code beneath it.

Written on O01: Hydatidiform mole

  • chorioadenoma (destruens) (D39.2)
  • malignant hydatidiform mole (D39.2)

Other codes that can never be billed with O01.1

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • O02.1Missed abortion
  • O02.8Other specified abnormal products of conception

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

O01.1 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A57689Billing and Coding: Lab: Flow Cytometry

Alphabetic index entries that lead here

  • Hydatidiform mole›incomplete
  • Hydatidiform mole›partial
  • Mole›hydatid, hydatidiform›incomplete
  • Mole›hydatid, hydatidiform›partial

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under O01

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.